... Group, it is specialized in HVACR copper tubes, environmental protection copper water tubes and copper fittings.The main products are ... Coils, ACR Straight Tubes, Capillary Tubes, Copper Water Tubes, Copper Fittings, insulated Copper Tubes and Plasic-coated Copper Tubes. Being of the ... the products we produced are always of the best quality Inner-Grooved Copper Tube 1) Alloy no.: C12200, Temper: soft ...